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Recognised as Colour

#1805D2

  • #1805D2
  • Blue
  • Dark
  • Nearest: Medium blue

#1805D2 is a blue with RGB values 24, 5, 210 and HSL 246°, 95%, 42%. It is a dark colour, so white text on it reaches 10.5:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#1805D2#1805D2
HEX#1805D2
RGBrgb(24, 5, 210)
RGB (0–1)0.0941, 0.0196, 0.8235
RGB percentages9.4%, 2%, 82.4%
HSLhsl(245.6, 95.3%, 42.2%)
HSV / HSBhsv(245.6, 97.6%, 82.4%)
CMYK88.6%, 97.6%, 0%, 17.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,574,354
CSS custom property--colour: #1805D2;

Brightness & contrast

Relative luminance0.04956WCAG 2.x, 0 is black and 1 is white
Perceived brightness72.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.55:1
Contrast with white10.55:1WCAG normal text: AAA
Contrast with black1.99:1WCAG normal text: Fail
Greyscale equivalent#181818
Inverted#E7FA2D

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0049D7no red cones; affects about 1% of men; ΔE 34.3 from the original
Deuteranopia#0034CFno green cones; the most common form, about 1% of men; ΔE 22.3 from the original
Tritanopia#00577Bno blue cones; rare, and affects men and women equally; ΔE 100.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.55:1WCAG large text: AAA
Contrast with black, large text1.99:1WCAG large text: Fail

Named colours

Medium blue · ΔE 1.7Blue · ΔE 20.7Blue violet · ΔE 23.1Dark violet · ΔE 26.4Dark blue · ΔE 31.1Dark orchid · ΔE 35.8
Nearest named CSS colourMedium blue (#0000CD)ΔE 1.7, below the just-noticeable difference
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BFD205
Analogous#0559D2, #7E05D2
Triadic#D21805, #05D218
Split complementary#D27E05, #58D205
Tetradic#D20559, #BFD205, #05D27E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#AEA6FD
Lighter +30%#8174FC
Lighter +20%#5442FB
Lighter +10%#2611F9
Darker −10%#1204A0
Darker −20%#0D036E
Darker −30%#07013D
Darker −40%#01000B
More saturated +25%#1400D7
Less saturated −25%#2E20B7

Channel breakdown

R24
G5
B210
Red24 (9.4%)
Green5 (2%)
Blue210 (82.4%)
Hue245.56°
Saturation (HSL)95.35%
Lightness42.16%
Dominant channelBlue
Hex per channelR 18 · G 05 · B D2

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Every value on this page was computed from “1805d2” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.